How to add a checkbox in Outlook Calendar event view so that I can (de-)activate my add-in?

Stefan Peters 0 Reputation points
2023-07-10T06:09:34.65+00:00

We have developed an Outlook add-in. (The add-in exports the calendar entry information so that it can be used by us in an external system). The problem is that once the current add-in is installed, the user can only disable it by uninstalling it completely. I.e. either the export is done for all or none of the entries. But it should be possible for the user that he/she can control for which entry he/she wants to activate the add-in.

What we are trying (and failing) to do is to add a checkbox to the appointment creation view, so that the user can decide for him/herself if the add-in should be enabled for that appointment or not. (see image --> "KSS" checkbox) User's image

Unfortunately there is no doc for this and support is very slow - has anyone here done something similar already?

Microsoft 365 and Office | Development | Other
Outlook | Windows | Classic Outlook for Windows | For business
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  1. Stefan Peters 0 Reputation points
    2023-09-06T09:01:48.8133333+00:00

    Cannot be resolved atm. Microsoft does not allow any html changes in the frontend gui hence we are using a workaround: Instead of a button for the addin we are using a category that we include in the post request sent to our backend.

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